Bài tập unit 5 lớp 8 mai lan hương năm 2024

Bài tập tiếng anh 8 -Mai Lan Hương - Hà Thanh Uyên. Trong bài viết này xin giới thiệu Bài tập tiếng anh 8 -Mai Lan Hương - Hà Thanh Uyên. Bài tập tiếng anh 8 -Mai Lan Hương - Hà Thanh Uyên là tài liệu tốt giúp các thầy cô tham khảo trong quá trình dạy Tiếng anh 8. Hãy tải ngay Bài tập tiếng anh 8 -Mai Lan Hương - Hà Thanh Uyên. Giaoanxanh nơi luôn cập nhật các kiến thức mới nhất. Chúc các bạn thành công!!

III. Complete the sentences with the words from the box. aquatic radioactive contaminated poison pollutant dumped sewage untreated dead effects

1. ________ or wastewater should be treated before it is discharged into the river or ocean.
2. More and more waste and________ are poured into the water, the soil and the air.
3. The________ material is stored in a special radiation-proof Container.
4. Oil spills can cause the death of________ animals such as fish.
5. ________sewage can spread disease and contaminate drinking water sources.
6. Cholera is transmitted through________ water
7. The health________ of air pollution include heart disease, lung cancer, and asthma.
8. Carbon dioxide is a dangerous air________.
9. Over 150,000 tonnes of waste are________ annually along the coastline.
10. Up to 100 fish were found________ along the river last week.

IV. Underline the right option. The planet9s water reserves are constantly polluted by waste from agriculture, industries, and [1] sewage / sewers / sewing. Since water is always circulating through

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the environment, it transports the [2] pollution / polluted / pollutants it contains from one area to the next. A pesticide that is [3] sprayed / spread / crowded on a field, for example, seeps into the groundwater, finds its way to a stream, and finally [4] ends up / gives up / comes up in the ocean. These toxic substances harm [5] poisonous / aquatic / dead plants and animals, and also infect the food Chain, causing certain plant and animal species to become [6] extinct / extinction / extincted. They can also [7] effect / defect / affect humans who eat fish. Even though [8] dumping / collecting / clearing garbage in the ocean is strictly forbidden, many countries release their [9] treated / untreated / treatment sewer waste and dispose of their garbage into the water. In addition to this, more than 6 million tons of oil are accidentally [10] spilled / littered / floated into the ocean every year.

1. Match the two halves of the sentence.

1. Overfertilization contributes to soil pollution,
2. Because there is so much light pollution from the ground,
3. Lake, river, ocean and ground water get contaminated
4. Carbon monoxide is a poisonous gas
5. The soil is exposed and vulnerable to erosion
6. The polluted fog became so thick
7. Since air pollution is a threat to human health,
8. People living near the airport aren9t getting enough sleep

1. because of aircraft noise. b. due to discharge of pollutants in the water bodies. c. everybody should try their best to reduce it. d. as a result of the removal of vegetation. e. so you only need to apply fertilizer once or twice per year. f. people cannot see the stars in the night sky. g. that people could only see a few meters in front of them. h. that can lead to health problems.

VI. Choose the best answer to complete the sentences.

1. The river water is severely polluted, mostly________ the dumping of raw sewage. A. due to B. lead to C. because D. so
2. Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians. A. come up B. result in C. dump into D. thank to
3. Water pollution________ the death of all forms of life in the water bodies. A. occurs B. results of C. creates D. leads to
4. ________ plastic takes so long to break down, it pollutes the land and ocean. A. Because B. Due to C. Even if D. Although
5. Many flights were cancelled ________ the smoke from forest fires. A. so B. because C. because of D. result in

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1. If people stopped using cars completely, there________ [be] much less pollution.
2. If people________ [buy] more recycled paper, there wouldn9t be so much waste.
3. If we________ [not bury] Chemical waste underground, we ________ [not pollute] fresh water supplies.
4. Pollution________ [not be ] such an issue if governments and common people really ________ [care].
5. What ________ [happen] if the whole world________ [be] full of pollution?
6. If people________ [pay] a little more attention to the environment, the Earth________ [be] greener.
7. If people no longer________ [pollute] the atmosphere, the air________ [soon become] clean again.

IX. Write conditional sentences type 2, using the cues given.

1. What/ happen/ if/ water pollution/ stop?

1. We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place?

1. If/ there/ be/ no more pollution/ the world/ be/ a better place?

1. If/I/ be/ you/I/ take/ these bottles/ the bottle bank.

1. If/ people/ not really care/ the environment/ they/ not try/ save it.

1. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.

1. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.

1. If/ we/ destroy/ the ozone layer/ what/ save/ us/ the UV rays?

1. Complete the passage with the correct form of the verbs in brackets.

The problem of global warming would improve if we all [1] ________ [do] something to reduce it! For example, if we all [2] ________ [turn off] our mobile phone chargers at night, we9d save a lot of energy. And we ________ [save] a lot of water if we all [4] ________ [turn off] the tap when cleaning our teeth. If we [5] ________ [recycle] more, less rubbish [6] ________ [go] to landfill sites. And if we [7] ________ [cycle] more, our parents [8] ________ [not need] to use their cars so often. Let9s make a difference!

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XI. Complete the sentences with the correct form of the verbs in brackets.

1. If we________ [not recycle] paper now, we9ll need to cut down more trees in the future.
2. If the local people________ [have] fresh water, they wouldn9t have to use polluted water.
3. What________ [happen] if radioactive material was not handled properly?
4. If we recycle more household waste, there________ [be] less damage to the environment.
5. If we________ [not understand] environmental problems, we would not be able to do anything about them.
6. If the polar ice-caps melted completely, Sea levels worldwide________ [rise] about 60 metres.
7. The amount of plastic in the ocean________ [increase] if we________ [not take] action now.
8. These fish________ [not die] if the factory ________ [not dump] its toxic waste into the river.
9. There ________ [not be] enough oxygen if we ________ [not protec t] the rainforests.
10. If I ________ [be] the President, I ________ [ban] billboards in cities in order to reduce visual pollution.

XII. Use the correct form of the word given to complete each sentence.

1. It9s evidence that this ocean is clean and environmentally________. [pollute]
2. Diseases are primarily due to________ food and air. [contaminate]
3. While some Chemicals may be harmless others can cause________. [damage]
4. Life expectancy has gone down due to________ diseases caused by air pollution. [die]
5. In remote regions, the air is pure and the crops are free of ________ insecticides. [poison]
6. Some scientists warn that light________ damages people and animals. [pollute]
7. Many Chemicals have a________ effect on the environment. [damage]
8. The dumping of________ I sewage into the sea is a source of ocean pollution. [treat]
9. A________ is a substance that makes something dirty, polluted, or poisonous. [contaminate]
10. Water pollution can lead to the________ of aquatic plants and animals. [die]

XIII. Underline the correct preposition in each of the following sentences.

1. Water pollution can be harmful at / to fish and animals that live along the river.
2. Using drinking water to water the garden is a waste from / of natural resources.
3. Ways must be found to prevent the poisonous gases on / from polluting the air.
4. Textile factories dump tonnes of toxic waste into / at the Citarum River.
5. She9s come up to / with amazing new ideas to help protect the environment.
6. Noise pollution can have harmful effects on / in human health.

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1. Yes, I took it yesterday. G. Exactly! Garbage on riverside. H. I think so too.

Bailey: Did you take that photo, Xuan? Xuan: [1]___________________________________________________ Bailey: Let me see. A photo of a river... but it looks like you want to capture the garbage. Xuan: [2]___________________________________________________ Bailey: Why garbage? Xuan: [3]___________________________________________________ Bailey: This picture is for water pollution, isn9t it? I think you need more. Xuan: [4]___________________________________________________ Bailey: Visual pollution? I9ve never heard about it before. Xuan: [5]___________________________________________________ Bailey: Can you give me some examples? Xuan: [6]___________________________________________________ Bailey: So what are the effects of visual pollution? Xuan: [7]___________________________________________________ Bailey: Oh, I see. There is too much visual pollution in the City, so I think it9s not difficult to take photos of different visual pollutants. Xuan: [8]___________________________________________________

1. READING

1. Complete the passage with the words from the box. honking loss commonly source referred rural unheard even

A screaming child, TV blaring in the living room, a vacuum cleaner, loud music coming from a teen9s bedroom: a busy home can be a [1] ________ of constant noise. Once you step outside, there9s [2] ________ more noise pollution. On an average day, you may hear your neighbour9s lawn mower, [3] ________ cars, sirens, maybe even ear-shattering sounds of a construction or a work site-a saw, a drill, a jackhammer. Welcome to the modern

• and very noisy - world. Unless you live in a very quiet [4] ________ area, you are no stranger to the phenomenon of environmental noise, [5] ________ called noise pollution. Noise pollution is often [6] ________ to as the